.video-feed-container {
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

.video-feed-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  height: 100%;
  max-height: 889px;
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3),
              0 0 0 1px rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-wrapper:hover {
  transform: translateY(-5px);
  box-shadow: 0 35px 70px rgba(0, 0, 0, 0.4),
              0 0 0 1px rgba(255, 255, 255, 0.2);
}

.video-player {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
  transition: filter 0.3s ease;
}

.video-player:hover {
  filter: brightness(1.1) contrast(1.05);
}

.video-controls {
  position: absolute;
  right: 20px;
  bottom: 100px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 10;
}

.control-button {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  width: 60px;
  height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 8px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(15px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.control-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.control-button:hover::before {
  left: 100%;
}

.control-button:hover {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.15));
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3),
              inset 0 1px 0 rgba(255, 255, 255, 0.4);
  border-color: rgba(255, 255, 255, 0.3);
}

.control-button:active {
  transform: translateY(-1px) scale(1.02);
  transition: all 0.1s ease;
}

.navigation-buttons {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 10;
}

.nav-button {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15),
              inset 0 1px 0 rgba(255, 255, 255, 0.2);
  color: white;
  position: relative;
  overflow: hidden;
  top: -100px;
}

.nav-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  transition: all 0.3s ease;
  transform: translate(-50%, -50%);
  border-radius: 50%;
}

.nav-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transform: none;
}

.nav-button:hover:not(:disabled) {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
  transform: translateY(-2px) scale(1.1);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25),
              inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.25);
}

.nav-button:hover:not(:disabled)::after {
  width: 30px;
  height: 30px;
}

.nav-button:active:not(:disabled) {
  transform: translateY(0) scale(1.05);
  transition: all 0.1s ease;
}

/* 添加响应式设计 */
@media (max-width: 768px) {
  .video-wrapper {
    max-width: 100%;
    border-radius: 0;
    height: 100vh;
  }
  
  .video-player {
    border-radius: 0;
  }
  
  .video-controls {
    right: 15px;
    bottom: 80px;
  }
  
  .navigation-buttons {
    right: 15px;
  }
  
  .control-button {
    width: 55px;
    height: 55px;
  }
  
  .nav-button {
    width: 45px;
    height: 45px;
  }
}

/* 添加加载动画 */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.video-wrapper.loading {
  animation: pulse 2s infinite;
}

/* 添加按钮点击波纹效果 */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.control-button.clicked::before,
.nav-button.clicked::after {
  animation: ripple 0.6s ease-out;
}